# band_users = ['andrew','onions','pineapple']
# user='tom'
# if user not in band_users:
#     print(f'{user.title()},you can post a response as your wish')
current_users = ['admin','tom','john','marry','james']
# for num in range(1,6):
#     users.pop()
#
# if users:
#     for user in users:
#         if user=='admin':
#             print(f'Hello {user},would you like to see a status report?')
#         else:
#             print(f'Hello {user}, Thank you for your logging')
# else:
#     print("We need some users!")
new_users =['white','tim','John','tom','bruce']

for new_user in new_users:
    if new_user.lower() in current_users:
        print(f"{new_user}已被占用,请输入其他用户名")
    else:
        print(f'可以使用{new_user}')